Draft gear



Jan. 22 1924 Q r, NELSON DRAFT GEAR `Filed July 21 1922 3 Sheets-Sheet 1 Jan.

WHIIHIHIH v ifi! 1,481,620 c. T. NELSON DRAFT GEAR Filed July 2l, ).922

5 lSheets-.Sheet 2 llllll Jan. 22 1924.

C. T. NELSON DRAFT GEAR Filed July 21K 1922 3 Sheets-Sheet 5 Patented Jan. 22, 1924.

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CHARLES fr. manson, or MANILA, -I` ELIIIII I=INE ,IsLAnn's, Assieme "to ATLANTIC -GnLr-&-I=AerrcgCoivrPAItY OFMANILA, or MANILA, PHILIPrINEIsLAnnsn.COB-

-ronnTIeN1vor-w-nsT VIRGINIA.

DRAFT GEAR.

l Y lo ,aN-.I whom; t mayoncem: l

,Be itjlnioivnLthat Gitaar-,ns 'IIIBQDQRE NEL- soN, ,aoitigen. of, the ,United` States,1 residing' at the cityeof "Manila, --ni'the iPh'lippine .1S-

5 leads.' has 'nreated-.ertainf new @and :useful A,Im,proveinents1in' Draft Gears, of- .which the followingis l a specification.

.'lfhe invention relates i to f. draft VI.gear car copplers and has ,for an .g object the prou vision of .ad-rawgbar and coupler @whieh fis especially-adapted to' light service .such .as the coiiplingf of oars forghauling sugarcane.

,An illustrated embodiment ,ofthe zinventionisshoavn, in the accompanying drawings7 in which* ligu-r-.e .l is a plan :View

1 ig 22 .is eeelevation,

-ilfigz 3, is a, horizontal section, on: line @fl-figure?,

20 ,Figi et, isja vertioatseetionon lineal-e4 Ofliglle l,

.Fia-16,. ,isa- .detal .frontaelievaton lfhhdraftgear,provided by present invent/i011,-S-adapted, t0 ibeiseuredvtogthe fface of the Aend ,sill L10, a fragment. of which Yis shown in the vdrawing s,vnby;means ofloolts l1, l2 and is Shown es :comprising an I-Qter portion having projecting portions 114, through whioh gbolts gpass, and an inner portion 16, telescoping within the outer portion 13. The inner portion 16, provides the draw bar and the coupler head.

To provide a cushion for both buff and draft, a spring 17, made up of a plurality of leaves, is provided, the spring adapted to be asembled with the portion 13 `of the gear by insertion through slots 18, one of which is shown in each side of the member 13.

To retain the leaves of the spring 17 in place, the bolts 11, 12 may be passed through the holes in the spring, but preferably a recess is provided in each end of each leaf terminating at 19, the recesses being sufficiently deep to permit deflection of the s ring without binding upon the shanks o the bolts. For convenience in assembling the spring with the draft gear, openings 20 `are provided in both upper and lower walls of the member 13. To permit deflection of the springs without undue binding in the slots 18, the slots are beveled internally as shown at 21.

To coact with the leaf spring 17, the drawbar has a slot through the extremity thereof,; the asulfaes; thereof opposite` the sprin being rounded las shown at v 22, a 23. E-referably a ynotch :24 iszformed in-.zthe endfsill topermit thesliding of@ the draw baninibu'if with yieldingoffthegspring )17 It is designed that ,the fdraw-bar rhouse. a conplinlgdink 25 `whichfis permanently secured therein and which may 1 be passed. to.y ia position entirely within Athee draw. baraallowxy ing the use i of the other coupling link on f the ea-r vwhieh is 'coupled r@therewith 1n other words [either .of vthe .two coupling links carried by thegt-wo jointed draft ,7. gears may l be utilized `to 1 couple .any :two ears i together. ,As shown most clearly -.in .Figures 3 and 1 the linkuwhen notingiiselies within rthe hollow of the draw bar -1-6 :and is permanently retainedtherein by Ymeans .of

.alpin-26, .whichfis upset-fatg27 andy28 :so fas to retain ,the same `permanently y in position The coupling of the draw bariunderreon- .7. sideration y with? the coaetinglink= ony :another car ,is adapted -to be ,made by .means of a inimiablecoupling pin 29. 'VV'hen' using the .link in .which .the .@Ollpling f piaf-29 is seated, .the saine need not befrer-novedit@being only necessary to remove thepin` from-the coupler .head of thecariintogwhichthelinkfof the attached car lis vto ,be inserted. ATo 5 avoid ,.a tendency. bf` the pin, 29qvhioh needy not before moved, from being jarred out, a head 30 is provided on its lower end To project the link which is to be used to make a coupling, a lever 31 is shown as pivoted upon a pin 32 which passes through the coupling bar and is retained therein by means of washers 33 and cotter pins 311. The lever 31 is shown as having a handle portion 35 projecting through a slot 36 in the upper portion oA the member 13 which slot is elongated to allow of the telescopic movements of the draw bar during draft or buff. The lower end 37 of the lever is shown as contacting with the end of the link 25 and as being movable to the dotted line positiou Figure 4, when the link is projected.

To allow the movement in draft and buff of the draw-bar 16, the slots 33 in the member 13 through which the pin 32 proj eC-ts are elongated and are preferably provided with bosses 39 on their outer faces for coaction with the washers 33.

To automatically lift the link 25, when it is projected by the lever 31 so as to pass over the unused link in the opposing coupler, an

upwardly inclined lip 40 is preferably formed on the lower edge of the opening 4l through which the link projects. To allow of the swinging action of the coupler link when cars equipped with the draft` gear round curves in the track, the opening 4l is laterally elongated as shown most clearly in Figure 6.

When the link in the draft gear under consideration isused to make the coupling the pull of the draftis taken bythe pin 26. To permit the link 25 to swing about the pin 26 as a center when the cars round curves, the openings through which the pin 29 pass at the top and bottom of the coupler head are made in the form of elongated slots, as shown at 42, 43 (see Figures l and 3).

To provide access to the link 25 on the side in case it is necessary to insert a tool to lift the same, the side of the draw bar is provided with openings as shown at 44. To

strengthen the edge of the member 13 to re-v sist impact of the coupler head thereagainst during excessive movement in buff, the edge is preferably thickened asshown at 45. f

Minor changes may be made in the physical embodiment of the invention without depart-ing from the spirit thereof.

I claim f 1. A draft gear comprising in combination, a casing adapted to be bolted to the face of the end sill of the car by means of horizontal bolts, a leaf spring mounted in said casing and retained therein by means of said bolts, a draw bar through which said leaf spring passes and slidably mounted in said casing, means for attaching said draw bar to a coacting draft gear.

2. A draft gear comprising in combination, a casing adapted to be securedto the face of the end sill of a car by means of horizontal bolts, a leaf spring retained in said casing by means of said bolts, said casing having slots against the faces of which said leaf spring impinges, a draw bar slid* ably mounted in said casing for movement in draft and buff and through which said leaf spring passes', a coupling link permanently housed in said draw-bar, a lever pivoted in said draw bar and having a projecting handle and a tip for projection of said link, said casing having a slot through which kthe handley projects for movement of said draw bar during draft and buff.

3. A draft gear comprising in combination, a casing adapted to be secured to the end sill of a car, a draw-bar slidably mounted in said casing, means in said casing to cushion the draft and bufling shocks of said draw bar, a coupling link permanently mounted in said draw-bar adapted to be completely housed therein,a hand lever for projection of said link for use, a pin upon which said hand lever is mounted passing through openings in said draw bar, and through slots in said casing, said slots being elongated to allow movement of said pin during sliding movement of the draw bar caused by draft or buff stresses.

4. A draft gearcomprising in combination, a casing adapted to be attached to the face of the end sill of a car by means of bolts, a leaf spring retained in said casing by said bolts, a draw bar slidably mounted in said casing for movement in draft and buff, said spring passing through said bar, a Acoupling` link permanently housed in said bar, a lever for projection of said link pivoted in said bar and having a handle projecting through an elongated slotin said casii'ig, and an upwardly and outwardly inclined lip on said bar to raise said link as it is projectedL by said lever.

CHARLES T. NELSON` 

